Botched trades were masked by weak internal controls.

Workers at large banks ignore diversification and lose $2 bln on company stock.

Workers at large banks ignore diversification and lose $2 bln on company stock.

Stocks and bonds move higher after Moodys cuts its ratings on 15 global banks.

Stocks and bonds move higher after Moodys cuts its ratings on 15 global banks.

Credit Suisse rating lowered three notches, Morgan Stanley by two.

Credit Suisse rating lowered three notches, Morgan Stanley by two.

Information provided to analysts prior to IPO involves gray area in Reg FD.